/* ============================================================
   DataPsych Strategies — Core Stylesheet
   Brand: psychology x data x the algorithm
   Palette: deep space navy + teal→green gradient + violet depth
   ============================================================ */

:root{
  --bg:#05070f;
  --bg-2:#0a0f1f;
  --panel:rgba(255,255,255,.04);
  --panel-border:rgba(255,255,255,.09);
  --ink:#eef3ff;
  --ink-soft:#a9b4cc;
  --ink-dim:#6b7794;
  --teal:#1fd1c4;
  --green:#7be06b;
  --violet:#9b6bff;
  --magenta:#ff5fae;
  --grad:linear-gradient(100deg,#1fd1c4 0%,#54dca0 45%,#7be06b 100%);
  --grad-violet:linear-gradient(120deg,#9b6bff,#1fd1c4);
  --shadow:0 30px 80px -30px rgba(0,0,0,.8);
  --radius:20px;
  --maxw:1180px;
  --ease:cubic-bezier(.16,.84,.44,1);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --display:"Sora","Inter",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 600px at 80% -10%,rgba(155,107,255,.16),transparent 60%),
    radial-gradient(900px 700px at 10% 10%,rgba(31,209,196,.14),transparent 60%),
    radial-gradient(1000px 800px at 50% 120%,rgba(123,224,107,.10),transparent 60%),
    var(--bg);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.1;letter-spacing:-.02em}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.violet-text{background:var(--grad-violet);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{
  text-transform:uppercase;letter-spacing:.28em;font-size:.72rem;font-weight:600;
  color:var(--teal);margin-bottom:18px;display:inline-block;
}
.muted{color:var(--ink-soft)}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:15px 28px;border-radius:999px;font-weight:600;font-size:.98rem;
  cursor:pointer;border:none;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  font-family:var(--font);
}
.btn-primary{background:var(--grad);color:#04130f;box-shadow:0 14px 40px -12px rgba(31,209,196,.7)}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 22px 60px -14px rgba(123,224,107,.75)}
.btn-ghost{background:var(--panel);color:var(--ink);border:1px solid var(--panel-border)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--teal);background:rgba(31,209,196,.08)}
.btn-block{width:100%;justify-content:center}

/* ---------- Nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;backdrop-filter:blur(14px);
  background:rgba(5,7,15,.55);border-bottom:1px solid transparent;transition:.3s;
}
.nav.scrolled{background:rgba(5,7,15,.85);border-bottom:1px solid var(--panel-border)}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:1.1rem}
.brand .logo{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;color:#04130f;font-weight:800;font-size:1rem;
  box-shadow:0 8px 24px -8px rgba(31,209,196,.8);
}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.92rem;color:var(--ink-soft);transition:.2s;position:relative}
.nav-links a:hover{color:var(--ink)}
.nav-links a.cta{
  color:#04130f;background:var(--grad);padding:10px 20px;border-radius:999px;font-weight:600;
}
.nav-links a.cta:hover{transform:translateY(-2px)}
.nav-toggle{display:none;background:none;border:none;color:var(--ink);font-size:1.6rem;cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
#hero-canvas{position:absolute;inset:0;z-index:0}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:120px 24px 80px;width:100%}
.hero h1{font-size:clamp(2.6rem,6.5vw,5rem);max-width:14ch;margin-bottom:24px}
.hero p.lede{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--ink-soft);max-width:54ch;margin-bottom:36px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:26px;flex-wrap:wrap;margin-top:46px;color:var(--ink-dim);font-size:.85rem}
.hero-badges b{color:var(--ink);font-family:var(--display)}
.scroll-hint{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:3;
  color:var(--ink-dim);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;
  display:flex;flex-direction:column;align-items:center;gap:8px;animation:bob 2.4s infinite
}
.scroll-hint span{width:1px;height:34px;background:linear-gradient(var(--teal),transparent)}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------- Sections ---------- */
section{position:relative;padding:96px 0}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(2rem,4vw,3.1rem);margin-bottom:18px}
.section-head p{color:var(--ink-soft);font-size:1.08rem}

/* ---------- Glass cards ---------- */
.card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);
  padding:30px;backdrop-filter:blur(8px);transition:transform .4s var(--ease),border-color .4s,box-shadow .4s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);border-color:rgba(31,209,196,.4);box-shadow:var(--shadow)}
.card .ico{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  background:rgba(31,209,196,.12);font-size:1.5rem;margin-bottom:18px;
}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* tilt cards */
.tilt{transform-style:preserve-3d;will-change:transform}

/* ---------- Offer ladder ---------- */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.tier{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);
  padding:28px;display:flex;flex-direction:column;transition:.4s var(--ease);position:relative;
}
.tier:hover{transform:translateY(-8px);border-color:rgba(123,224,107,.45);box-shadow:var(--shadow)}
.tier.featured{border-color:var(--teal);background:linear-gradient(180deg,rgba(31,209,196,.10),rgba(255,255,255,.02))}
.tier .stage{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);margin-bottom:10px}
.tier h3{font-size:1.3rem;margin-bottom:8px}
.tier .price{font-family:var(--display);font-size:2rem;margin:12px 0 4px}
.tier .price small{font-size:.85rem;color:var(--ink-dim);font-weight:400}
.tier ul{list-style:none;margin:18px 0 24px;display:flex;flex-direction:column;gap:10px}
.tier ul li{font-size:.9rem;color:var(--ink-soft);padding-left:24px;position:relative}
.tier ul li::before{content:"✦";position:absolute;left:0;color:var(--green)}
.tier .btn{margin-top:auto}
.ribbon{
  position:absolute;top:16px;right:-34px;transform:rotate(45deg);background:var(--grad);
  color:#04130f;font-size:.66rem;font-weight:700;letter-spacing:.1em;padding:5px 40px;
}

/* ---------- Products ---------- */
.product{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.4s var(--ease);
}
.product:hover{transform:translateY(-6px);border-color:rgba(155,107,255,.45);box-shadow:var(--shadow)}
.product .thumb{aspect-ratio:4/3;background:var(--grad-violet);position:relative;overflow:hidden}
.product .thumb img{width:100%;height:100%;object-fit:cover}
.product .tag{position:absolute;top:12px;left:12px;background:rgba(5,7,15,.8);border:1px solid var(--panel-border);font-size:.7rem;padding:5px 12px;border-radius:999px;letter-spacing:.05em}
.product .body{padding:22px;display:flex;flex-direction:column;flex:1}
.product h3{font-size:1.15rem;margin-bottom:8px}
.product p{font-size:.88rem;color:var(--ink-soft);margin-bottom:16px;flex:1}
.product .foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.product .cost{font-family:var(--display);font-size:1.4rem}
.product .cost s{color:var(--ink-dim);font-size:.9rem;margin-right:6px;font-weight:400}

/* ---------- Stat band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat .n{font-family:var(--display);font-size:clamp(2rem,4vw,3rem);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{color:var(--ink-dim);font-size:.85rem;margin-top:6px}

/* ---------- Quiz funnel ---------- */
.quiz{max-width:680px;margin:0 auto;background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);padding:40px;position:relative;min-height:340px}
.quiz .progress{height:5px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden;margin-bottom:28px}
.quiz .progress i{display:block;height:100%;width:0;background:var(--grad);transition:width .5s var(--ease)}
.quiz-step{display:none;animation:fade .5s var(--ease)}
.quiz-step.active{display:block}
.quiz-step h3{font-size:1.5rem;margin-bottom:24px}
.quiz-opt{
  display:block;width:100%;text-align:left;padding:16px 20px;margin-bottom:12px;border-radius:14px;
  background:rgba(255,255,255,.03);border:1px solid var(--panel-border);color:var(--ink);
  cursor:pointer;transition:.25s;font-size:.96rem;font-family:var(--font);
}
.quiz-opt:hover{border-color:var(--teal);background:rgba(31,209,196,.08);transform:translateX(4px)}
.quiz-result{text-align:center}
.quiz-result .rec-tier{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal)}
.quiz-result h3{font-size:1.9rem;margin:10px 0 14px}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- Opt-in / forms ---------- */
.optin{
  max-width:760px;margin:0 auto;background:linear-gradient(135deg,rgba(31,209,196,.12),rgba(155,107,255,.10));
  border:1px solid var(--panel-border);border-radius:28px;padding:48px;text-align:center;position:relative;overflow:hidden;
}
.optin h2{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:14px}
.optin p{color:var(--ink-soft);margin-bottom:28px}
.form-row{display:flex;gap:12px;max-width:520px;margin:0 auto;flex-wrap:wrap}
.form-row input{
  flex:1;min-width:220px;padding:15px 20px;border-radius:999px;border:1px solid var(--panel-border);
  background:rgba(5,7,15,.6);color:var(--ink);font-size:.96rem;font-family:var(--font);
}
.form-row input:focus{outline:none;border-color:var(--teal)}
.field{display:flex;flex-direction:column;gap:8px;text-align:left;margin-bottom:16px}
.field label{font-size:.85rem;color:var(--ink-soft)}
.field input,.field textarea,.field select{
  padding:14px 16px;border-radius:12px;border:1px solid var(--panel-border);
  background:rgba(5,7,15,.6);color:var(--ink);font-size:.95rem;font-family:var(--font);
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--teal)}
.form-note{font-size:.78rem;color:var(--ink-dim);margin-top:14px}

/* ---------- Testimonials ---------- */
.quote{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);padding:28px}
.quote p{font-size:1rem;color:var(--ink);margin-bottom:16px}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .av{width:42px;height:42px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#04130f;font-weight:700}
.quote .who b{display:block;font-size:.9rem}
.quote .who span{font-size:.78rem;color:var(--ink-dim)}

/* ---------- Research callout ---------- */
.research{
  border-left:3px solid var(--teal);background:rgba(31,209,196,.06);
  padding:18px 22px;border-radius:0 14px 14px 0;margin:24px 0;font-size:.92rem;color:var(--ink-soft);
}
.research b{color:var(--ink)}
.research a{color:var(--teal)}

/* ---------- Blog ---------- */
.post-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);overflow:hidden;transition:.4s var(--ease);display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-6px);border-color:rgba(31,209,196,.4);box-shadow:var(--shadow)}
.post-card .ph{aspect-ratio:16/9;background:var(--grad-violet);display:grid;place-items:center;font-size:3rem}
.post-card .body{padding:24px}
.post-card .meta{font-size:.76rem;color:var(--teal);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.post-card h3{font-size:1.2rem;margin-bottom:10px}
.post-card p{font-size:.88rem;color:var(--ink-soft)}
.article{max-width:760px;margin:0 auto;padding:140px 24px 80px}
.article h1{font-size:clamp(2rem,4.5vw,3.2rem);margin-bottom:18px}
.article .meta{color:var(--teal);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:30px}
.article h2{font-size:1.6rem;margin:38px 0 14px}
.article h3{font-size:1.2rem;margin:26px 0 10px}
.article p{color:var(--ink-soft);margin-bottom:18px;font-size:1.04rem}
.article ul,.article ol{color:var(--ink-soft);margin:0 0 18px 22px;display:flex;flex-direction:column;gap:8px}
.article a{color:var(--teal)}
.article blockquote{border-left:3px solid var(--green);padding:6px 20px;margin:20px 0;color:var(--ink);font-style:italic}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--panel-border);padding:60px 0 30px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:36px;margin-bottom:40px}
.foot-grid h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.15em;color:var(--ink-dim);margin-bottom:16px}
.foot-grid a{display:block;color:var(--ink-soft);font-size:.9rem;margin-bottom:9px;transition:.2s}
.foot-grid a:hover{color:var(--teal)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;color:var(--ink-dim);font-size:.82rem;border-top:1px solid var(--panel-border);padding-top:24px}

/* ---------- Exit-intent modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(2,4,10,.78);backdrop-filter:blur(6px);z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
.modal-bg.show{display:flex;animation:fade .3s}
.modal{max-width:480px;width:100%;background:var(--bg-2);border:1px solid var(--panel-border);border-radius:24px;padding:40px;position:relative;text-align:center;box-shadow:var(--shadow)}
.modal h3{font-size:1.7rem;margin-bottom:12px}
.modal p{color:var(--ink-soft);margin-bottom:22px}
.modal .x{position:absolute;top:16px;right:18px;background:none;border:none;color:var(--ink-dim);font-size:1.5rem;cursor:pointer}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(120%);background:var(--bg-2);border:1px solid var(--teal);color:var(--ink);padding:14px 24px;border-radius:999px;z-index:300;transition:transform .4s var(--ease);font-size:.9rem}
.toast.show{transform:translateX(-50%) translateY(0)}

/* ---------- Page hero (interior) ---------- */
.page-hero{padding:160px 0 40px;text-align:center}
.page-hero h1{font-size:clamp(2.4rem,5vw,3.8rem);margin-bottom:16px}
.page-hero p{color:var(--ink-soft);font-size:1.12rem;max-width:60ch;margin:0 auto}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .grid-3,.grid-4,.ladder,.stats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:74%;max-width:320px;flex-direction:column;
    align-items:flex-start;gap:22px;padding:90px 30px;background:var(--bg-2);border-left:1px solid var(--panel-border);
    transform:translateX(100%);transition:.4s var(--ease);
  }
  .nav-links.open{transform:none}
  .nav-toggle{display:block;z-index:60}
  .grid-3,.grid-4,.grid-2,.ladder,.stats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  section{padding:70px 0}
  .optin{padding:32px 22px}
}